#include "bits/stdc++.h"
using namespace std;

#define DEBUG(x) cout<<#x<<": "<<x<<endl;
#define DEBUG_VEC(v) cout<<#v<<":";for(int i=0;i<v.size();i++) cout<<" "<<v[i]; cout<<endl

typedef long long ll;
#define vi vector<int>
#define vl vector<ll>
#define vii vector< vector<int> >
#define vll vector< vector<ll> >
#define vs vector<string>
#define pii pair<int,int>
#define pis pair<int,string>
#define psi pair<string,int>
#define pll pair<ll,ll>
const int inf = 1000000001;
const ll INF = 1e18 * 2;
#define MOD 1000000007
#define mod 1000000009
#define pi 3.14159265358979323846
#define Sp(p) cout<<setprecision(15)<< fixed<<p<<endl;
int dx[4] = { 1,0,-1,0 }, dy[4] = { 0,1,0,-1 };
int dx2[8] = { 1,1,0,-1,-1,-1,0,1 }, dy2[8] = { 0,1,1,1,0,-1,-1,-1 };

int main() {
	int m;
	cin >> m;
	for (int i0 = 0; i0 < m; i0++) {
		int a;
		cin >> a;
		vi v;
		while (a != 0) {
			v.push_back(a);
			a = (a - 1) / 2;
		}
		int now = 0;
		for (int i = v.size() - 1; i >= 0; i--) {
			if (v[i] == now * 2 + 1) {
				cout << "L";
			}
			else {
				cout << "R";
			}
			now = v[i];
		}
		cout << endl;
	}
}